Russian violin virtuoso (1908–1974). ALS in Russian, one page both sides, 5.5 x 8, July 20, 1965. Untranslated letter to Louis Persinger. In fine condition. Accompanied by the original mailing envelope, addressed in Oistrakh’s hand. Originates from the collection of American violinist and pianist Louis Persinger (1887–1966), who trained at the Leipzig Conservatory and later taught at Juilliard, mentoring the likes of Yehudi Menuhin, Ruggiero Ricci, and Isaac Stern. RR Auction COA.